The QCI1220C from Qualwave is a RF & Microwave Isolator with Frequency 9000 to 16500 MHz, Bandwidth 2200 MHz, Average Power Forward 30 W, Average Power Reverse 5 W, Insertion Loss 0.3 to 0.5 dB. Tags: Module with Connector, Coaxial Isolator. More details for QCI1220C can be seen below.